MVTX2801
Data Sheet
10.8.2 DCR-Device Status and Signature Register
Serial Interface Address: hF01
Accessed by serial interface. (RO)
7
6
5
4
3
2
1
0
Revision
Signature
RE
BinP
BR
BW
2
Bit [0]:
Bit[1]:
Bit[2]:
Bit[3]:
Bit[5:4]:
1 - Busy writing configuration to I C
2
0 - Not Busy writing configuration to I C
2
1 - Busy reading configuration from I C
2
0 - Not Busy reading configuration from I C
1 - BIST in progress
0 - BIST not running
1 - RAM Error
0 - RAM OK
Device Signature
00 - 4 Ports Device, non-management mode
01 - 8 Ports Device, non-management mode
10 - 4 Ports Device, management mode possible (need to install CPU)
11 - 8 Ports Device, management mode possible (need to install CPU)
Bit [7:6]:
Revision
10.8.3 DCR01-Giga port status
Serial Interface Address: hF02
Accessed by serial interface. (RO)
7
6
4
3
2
1
0
CIC
GIGA1
GIGA0
Bit [1:0]:
Bit[3:2]
Bit [7]
Giga port 0 strap option
00 - 100Mb MII mode
01 - Invalid
10 - GMII
11 - PCS
Giga port 1 strap option
00 - 100Mb MII mode
01 - Invalid
10 - GMII
11 - PCS
Chip initialization completed
Note: DCR01[7], DCR23[7], DCR45[7] and DCR67[7] have the same function.
71
Zarlink Semiconductor Inc.